using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.HttpsPolicy;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Microsoft.OpenApi.Models;
using Service.Entity;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Design;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.Extensions.Options;

namespace Api
{
    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
       
          
            services.AddCors(m => m.AddPolicy("any", a => a.AllowAnyOrigin().AllowAnyMethod().AllowAnyHeader()));
            services.AddControllers();
            services.AddSwaggerGen(c =>
            {
                c.SwaggerDoc("v1", new OpenApiInfo { Title = "Api", Version = "v1" });
            });
            var options = Configuration.GetSection("UserAppSetting").Get<UserAppSetting>();
            switch (options.DbType)
            {
                case 1:
                    services.AddDbContextPool<SqlServerDbContext>(optionsBuilder =>
                    {
                        optionsBuilder.UseSqlServer(options.SqlServer);
                    });                   
                    break;
                case 2:
                    services.AddDbContextPool<SqlServerDbContext>(optionsBuilder =>
                    {
                        optionsBuilder.UseMySQL(options.MySql);
                    });
                    break;
            }
            services.AddDbContextPool<SqlServerDbContext>(optionsBuilder =>
            {
                var options = Configuration.GetSection("UserAppSetting").Get<UserAppSetting>();
                if (options == null)
                {
                    throw new Exception("���ݿ������ַ���δ����");
                }
                switch (options.DbType)
                {
                    case 1:
                        optionsBuilder.UseMySQL(options.MySql);
                        break;
                    case 2:
                        optionsBuilder.UseSqlServer(options.SqlServer);
                        break;
                }
            });
           

        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
                app.UseSwagger();
                app.UseSwaggerUI(c => c.SwaggerEndpoint("/swagger/v1/swagger.json", "Api v1"));
            }
            app.UseCors();
            app.UseHttpsRedirection();

            app.UseRouting();

            app.UseAuthorization();

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllers();
            });
        }
    }
}
